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Hoffmann bromamide reaction involves conversion of a carboxylic acid amide into an amine with a loss
\( \mathrm{P} \)
of a carbon atom on treatment with aqueous sodium hypobromite. Thus Hoffmann result in shortening of a carbon chain.

Mechanism of the reaction is :
\[
\xrightarrow[\mathrm{KOH}]{\mathrm{Br}_{2}}(\mathrm{~A}) ; \operatorname{Product}(\mathrm{A}) \text { : }
\]
(Major)
(1) \( \mathrm{Ph}-\mathrm{NH}_{2} \)
(2) \( \mathrm{Ph}-\mathrm{CH}_{2}-\mathrm{NH}_{2} \)
(3) \( \mathrm{Ph}-\mathrm{NH}-\mathrm{CH}_{3} \)
(4)


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